Ivanhoe Mines files NI 43-101 technical report on the Definitive Feasibility Study for the Platreef platinum-group metals, nickel, copper and gold project in South Africa

September 14, 2017

Ivanhoe Mines files NI 43-101 technical report on the Definitive Feasibility Study for the Platreef platinum-group metals, nickel, copper and gold project in South Africa

VANCOUVER, CANADA – Ivanhoe Mines (TSX: IVN; OTCQX: IVPAF) today announced that, further to its news release dated July 31, 2017, the company has filed a National Instrument 43-101 (NI 43-101) technical report on the independent definitive feasibility study (DFS) for the Platreef platinum-group metals, nickel, copper and gold project in South Africa.

The independent NI 43-101 technical report for the Platreef DFS was prepared for Ivanhoe Mines by principal consultant DRA Global, with economic analysis led by OreWin, and specialized subconsultants including Amec Foster Wheeler, Stantec Consulting, Murray & Roberts Cementation, SRK Consulting, Golder Associates and Digby Wells Environmental. The report – titled Platreef 2017 Feasibility Study – has been filed on the SEDAR website at www.sedar.com and on the Ivanhoe Mines website at www.ivanhoemines.com.

Information contacts

Investors Media Bill Trenaman +1.604.331.9834 North America: Bob Williamson +1.604.512.4856 South Africa: Jeremy Michaels +27.82.772.1122

Website www.ivanhoemines.com